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welshman/docs/domain/relay-membership.md
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Fix NIP conformance in domain kinds; add domain docs/skill
NIP fixes:
- RelayMembers (13534): use NIP-43 `member` tags (not `p`) and set the required
  NIP-70 `-` protected tag.
- Profile (kind 0): remove display-name support entirely (getter, setter, display()
  fallback, and the search weight).
- Comment (1111): A/a tags now carry a real address, not the event id.
- BlossomServerList (10063): normalize server URLs with normalizeUrl (HTTP), not
  normalizeRelayUrl (which forced wss://).
- HandlerRecommendation (31989): fix inverted removeRecommendation filter; add
  setSupportedKind()/supportedKind() for the NIP-89 d-tag.
- Report (1984): place the report-type string on the e tag (note reports) or p tag
  (profile reports); always emit the p tag.

Docs/skills:
- Add @welshman/domain docs (docs/domain/) and the welshman-domain skill.
- Prune @welshman/util docs/skill of the moved Profile/List/Handler/Encryptable
  helpers; register domain in the sidebar, index, and skills README.
- Apply accuracy fixes to the @welshman/app docs/skill.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BsMjvv7krpZeHK1Njeneru
2026-06-20 14:55:21 +00:00

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Markdown

# Relay membership
These kinds model **relay-level** membership — Flotilla's notion of joining a relay/space, distinct from NIP-29 room membership (which is scoped to a room by an `h` tag). Where [Rooms](./rooms) deal with groups hosted *on* a relay, these events deal with belonging to the relay itself. They are all plain `EventReader` / `EventBuilder` subclasses; see [Readers & Builders](./readers-and-builders) for the base pattern.
## Ops and snapshots
| Class | Kind | Purpose | Reader | Builder |
|---|---|---|---|---|
| `RelayJoin` | 28934 | join request (ephemeral) | `claim()`, `reason()` | `setClaim(claim)`, `setReason(reason)` |
| `RelayInvite` | 28935 | invite (NIP-29) | `claim()` | `setClaim(claim)` |
| `RelayLeave` | 28936 | leave marker (ephemeral) | — | — |
| `RelayAddMember` | 8000 | add a member | `pubkeys()` | `addPubkey(pk)` |
| `RelayRemoveMember` | 8001 | remove a member | `pubkeys()` | `addPubkey(pk)` |
| `RelayMembers` | 13534 | member-list snapshot | `pubkeys()`, `isMember(pk)` | `addPubkey(pk)`, `removePubkey(pk)` |
Each has a matching `*Builder` (`RelayJoinBuilder`, `RelayMembersBuilder`, …).
## Joining and leaving
A `RelayJoin` carries an optional claim code (the `claim` tag) and a free-text reason (the event content):
```typescript
import {RelayJoin, RelayJoinBuilder, RelayLeaveBuilder} from "@welshman/domain"
const join = await RelayJoin.fromEvent(event)
join.claim() // string | undefined — the "claim" tag value
join.reason() // event.content, or undefined when empty
await new RelayJoinBuilder()
.setClaim(inviteCode) // ["claim", inviteCode]
.setReason("hello") // becomes the content
.toEvent(signer)
// Leaving is a bare marker — no fields.
await new RelayLeaveBuilder().toEvent(signer)
```
`RelayInvite` (kind 28935) is the invite counterpart, carrying just a `claim`:
```typescript
import {RelayInviteBuilder} from "@welshman/domain"
await new RelayInviteBuilder().setClaim(inviteCode).toEvent(signer)
```
## Member management
`RelayAddMember` (8000) and `RelayRemoveMember` (8001) are admin ops that list affected pubkeys via `addPubkey` (deduped by pubkey):
```typescript
import {RelayAddMemberBuilder, RelayRemoveMemberBuilder} from "@welshman/domain"
await new RelayAddMemberBuilder()
.addPubkey(pubkeyA)
.addPubkey(pubkeyB)
.toEvent(signer)
await new RelayRemoveMemberBuilder().addPubkey(pubkeyA).toEvent(signer)
```
`RelayMembers` (13534) is the resulting member-list snapshot. Its reader answers membership questions; its builder supports both add and remove:
```typescript
import {RelayMembers, RelayMembersBuilder} from "@welshman/domain"
const members = await RelayMembers.fromEvent(event)
members.pubkeys() // string[]
members.isMember(pubkey) // boolean
await new RelayMembersBuilder()
.addPubkey(pubkeyA) // also removePubkey(pk)
.toEvent(signer)
```
## See also
- [Readers & Builders](./readers-and-builders) — the base `EventReader`/`EventBuilder` pattern.
- [Rooms](./rooms) — NIP-29 room-level (not relay-level) membership and metadata ops.